﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace DAL
{
    public static class DALCommon
    {
        private static ThanhBaoDataContext DataDB;
        public static ThanhBaoDataContext TB
        {
            get
            {
                if (DataDB == null)
                    DataDB = new ThanhBaoDataContext;
                return DataDB;
            
            }
        }
        
    }
}
